Chemical Identification
Common Name
Metiram
中文通用名
代森联
IUPAC
zinc ammoniate ethylenebis(dithiocarbamate) - poly(ethylenethiuram disulfide)
CAS
metiram
CAS No.
9006-42-2
Molecular Formula
[C16H33N11S16Zn3]x
Category
Activity
Fungicide
Premix
Pyraclostrobin+metiram
Dimethomorph+Metiram
Difenoconazole+Metiram
Trifloxystrobin+Metiram
Kresoxim-methyl+Metiram
Cymoxanil+Metiram
Cyazofamid+Metiram
Wettable powder, water dispersible granules. 
Premix Parters: atrazine; atrazine glyphosate; atrazine mesotrione; glyphosate; glyphosate mesotrione; mesotrione; metribuzin; terbuthylazine;
Physical Properties
Molecular weight:(1088.7)x; Physical form:Yellow powder ( tech.). Density:1.860 (20 °C); Composition:No common name was accepted by ×ISO (and metiram was withdrawn by BSI), because the product appears to be a mixture rather than a complex. The dry form of the tech. is 'Metiram TC 85%'. Melting point:Decomposes at c. 156 °C; Vapour pressure:<0.010 mPa (20 °C); Henry constant:<5.4 ×10-3 Pa m3 mol-1 (calc.); Partition coefficient(n-octanol and water):logP = 0.3 pH 7); Solubility:Practically insoluble in water. Soluble in pyridine (with decomposition). Practically insoluble in organic solvents (e.g. ethanol, acetone, benzene).; Stability:Stable at 30 °C. Slowly decomposed by light. Non-hygroscopic. Decomposed by strong acids and strong alkalis.;
Toxicology
Oral:Acute oral LD50 for rats >10 000, mice >5400, guinea pigs 2400-4800 mg/kg. Percutaneous:Acute percutaneous LD50 for rats >2000 mg/kg. Mild skin and eye irritant. Inhalation: LC50 (4 h) for rats >5.7 mg/l air.
Environmental Profile
Ecotoxicology: 
Algae: EC50 (96 h) for Chlorella 0.3 mg/l.Bees: LD50 (oral) >40 mg/bee; (contact) >16 mg/bee.Birds:Slightly toxic to birds.Daphnia: EC50 (48 h) 2.55 mg/l.Fish: LC50 (96 h) for carp 85, rainbow trout 1.1 mg/l. LC50 (48 h) for harlequin fish 17 mg/l.Worms: LC50 (14 d) >1000 ppm. 

Environmental fate: 
Soil:As with other dithiocarbamate pesticides, metiram is degraded to derivatives of thiourea, thiuram monosulfide, thiuram disulfide, and sulfur.
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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